EP3944010B1 - Anzeigeanordnung für eine bildgebungsvorrichtung - Google Patents

Anzeigeanordnung für eine bildgebungsvorrichtung Download PDF

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Publication number
EP3944010B1
EP3944010B1 EP20382662.3A EP20382662A EP3944010B1 EP 3944010 B1 EP3944010 B1 EP 3944010B1 EP 20382662 A EP20382662 A EP 20382662A EP 3944010 B1 EP3944010 B1 EP 3944010B1
Authority
EP
European Patent Office
Prior art keywords
control unit
insulating layer
thermally insulating
cavity
display
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20382662.3A
Other languages
English (en)
French (fr)
Other versions
EP3944010A1 (de
Inventor
Xavier ARMENGOL
Daniel Abad García
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ficosa Adas SL
Original Assignee
Ficosa Adas SL
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ficosa Adas SL filed Critical Ficosa Adas SL
Priority to EP20382662.3A priority Critical patent/EP3944010B1/de
Priority to JP2021120085A priority patent/JP2022022160A/ja
Priority to US17/383,898 priority patent/US11903153B2/en
Priority to CN202110837353.7A priority patent/CN113973452A/zh
Publication of EP3944010A1 publication Critical patent/EP3944010A1/de
Application granted granted Critical
Publication of EP3944010B1 publication Critical patent/EP3944010B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133382—Heating or cooling of liquid crystal cells other than for activation, e.g. circuits or arrangements for temperature control, stabilisation or uniform distribution over the cell
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0213—Venting apertures; Constructional details thereof
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0209—Thermal insulation, e.g. for fire protection or for fire containment or for high temperature environments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F21/00—Mobile visual advertising
    • G09F21/04—Mobile visual advertising by land vehicles
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
    • H05K7/20518—Unevenly distributed heat load, e.g. different sectors at different temperatures, localised cooling, hot spots
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels
    • H05K7/20963—Heat transfer by conduction from internal heat source to heat radiating structure
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0007—Casings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0007—Casings
    • H05K9/0054—Casings specially adapted for display applications
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
    • H05K7/20409—Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing
    • H05K7/20418—Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing the radiating structures being additional and fastened onto the housing
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0007—Casings
    • H05K9/0045—Casings being rigid plastic containers having a coating of shielding material

Definitions

  • motor vehicles for instance cars, needed a reflective mirror to allow drivers to see areas behind the vehicle.
  • ECUs electronice control units
  • the electromagnetic radiation creates a lot of performance issues, and this electromagnetic radiation increases significantly when a device has two or more electronic control units (ECU).
  • a thermally insulating layer for instance, a plastic frame, is arranged between the display and the second control unit. This plastic frame prevents the heat generated by the second ECU from affecting the display.
  • the thermally insulating layer helps to prevent an increase of the temperature around said display acting as a thermal insulator.
  • the display assembly object of the invention is of the kind that comprises:
  • the layer As the layer is made conductive, it increases the shielding of the second control unit that is encased by the housing, which is already conductive, and by the thermally insulating layer which is made also conductive.
  • the thermally insulating layer (40) is adapted to at least partially shield electromagnetic radiation generated in the first cavity (100) so as to prevent said electromagnetic radiation from reaching the second cavity (200) and/or at least partially shield electromagnetic radiation generated in the second cavity (200) so as to prevent said electromagnetic radiation from reaching the first cavity (100).
  • the first part (10) of the housing further comprises electrically conductive means (30) electrically connecting the conductive layer (24) of the display panel (20) and the first part (10) of the housing.
  • the first electrically conductive means (30) is an elastic material such as a foam surrounded by electrically conductive material.
  • the foam includes a conductive cover shroud.
  • Said heat insulating member may be made of an elastic and non-thermally conductive material adapted to be deformed when the flex-connector (70) goes through the opening, in use, electrically connecting the first and second control unit (22, 60) so as to allow transmitting electronic data from the first control unit (22) to the second control unit (60) and/or from the second control unit (60) to the first control unit (22).

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Nonlinear Science (AREA)
  • Accounting & Taxation (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Marketing (AREA)
  • Optics & Photonics (AREA)
  • Business, Economics & Management (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Claims (15)

  1. Anzeigeanordnung für eine Bildgebungsvorrichtung, wobei die Anzeigeanordnung Folgendes umfasst:
    • eine Anzeigetafel (20), umfassend:
    ∘ eine Anzeige (21), und
    o eine erste Steuereinheit (22), die mit der Anzeige (21) zu deren Steuerung verbunden ist,
    • eine zweite Steuereinheit (60), die mit der ersten Steuereinheit (22) verbunden ist, um Daten an die zweite Steuereinheit (22) zu senden und/oder zu empfangen,
    • eine wärmeisolierende Schicht (40), die zwischen der ersten Steuereinheit (22) und der zweiten Steuereinheit (60) angeordnet ist,
    • ein Gehäuse (10, 11), das dazu konfiguriert ist, elektrisch leitfähig zu sein, und dazu konfiguriert ist, die Anzeigetafel (20), die zweite Steuereinheit (60) und die wärmeisolierende Schicht (40) teilweise zu umschließen, wobei die wärmeisolierende Schicht (40)
    konfiguriert ist, um das Gehäuse (10, 11) in mindestens einen ersten Hohlraum (100) und einen zweiten Hohlraum (200) zu teilen, wobei der erste Hohlraum (100) die erste Steuereinheit (22) umfasst und der zweite Hohlraum (200) die zweite Steuereinheit (60) umfasst, wobei die wärmeisolierende Schicht (40) angepasst ist, um zu verhindern, dass in dem ersten Hohlraum (100) erzeugte Wärme den zweiten Hohlraum (200) erreicht und in dem zweiten Hohlraum (200) erzeugte Wärme den ersten Hohlraum (100) erreicht, wobei die wärmeisolierende Schicht (40) zusätzlich ein elektrisch leitendes Material (42) umfasst, so dass die wärmeisolierende Schicht (40) elektrisch leitend ist, wobei die wärmeisolierende Schicht (40) angepasst ist, um mindestens teilweise elektromagnetische Strahlung, die in dem ersten Hohlraum (100) erzeugt wird, abzuschirmen, um zu verhindern, dass die elektromagnetische Strahlung den zweiten Hohlraum (200) erreicht, und/oder mindestens teilweise elektromagnetische Strahlung, die in dem zweiten Hohlraum (200) erzeugt wird, abzuschirmen, um zu verhindern, dass die elektromagnetische Strahlung den ersten Hohlraum (100) erreicht.
  2. Anzeigeanordnung nach Anspruch 1, wobei die erste Steuereinheit (22) zwischen der Anzeige (21) und der thermisch isolierenden Schicht (40) angeordnet ist.
  3. Anzeigeanordnung nach einem der vorhergehenden Ansprüche, wobei die thermisch isolierende Schicht (40) so konfiguriert ist, dass sie das Gehäuse (10, 11) berührt.
  4. Anzeigeanordnung nach einem der vorhergehenden Ansprüche, wobei die thermisch isolierende Schicht (40) zwei gegenüberliegende Flächen aufweist und das elektrisch leitende Material (42) der thermisch isolierenden Schicht (40) eine elektrisch leitende Beschichtung ist, die auf mindestens einer Fläche der thermisch isolierenden Schicht (40) aufgebracht ist.
  5. Anzeigeanordnung nach Anspruch 4, wobei die Beschichtung aus einem metallischen Material hergestellt ist und eine Dicke zwischen 4 Mikrometern und 15 Mikrometern aufweist.
  6. Anzeigeanordnung nach Anspruch 5, wobei die bevorzugte Dicke des elektrisch leitenden Materials (42) 12 Mikrometer beträgt.
  7. Anzeigeanordnung nach einem der vorhergehenden Ansprüche, wobei die thermisch isolierende Schicht (40) aus Kunststoffmaterial hergestellt ist und eine Dicke zwischen 0,5 mm und 4 mm aufweist.
  8. Anzeigeanordnung nach einem der vorhergehenden Ansprüche, wobei die Anzeigetafel (20) eine metallische Schicht (24) aufweist, die zwischen der Anzeige (21) und der ersten Steuereinheit (22) angeordnet ist, wobei die metallische Schicht (24) größer als die erste Steuereinheit (22) ist, um die erste Steuereinheit (22) von der Anzeige (21) abzuschirmen.
  9. Anzeigeanordnung nach einem der vorhergehenden Ansprüche, wobei sie ein Masseelement umfasst, das ein Teil des Gehäuses (10, 11) ist oder daran befestigt ist.
  10. Anzeigeanordnung nach Anspruch 9, wobei die thermisch isolierende Schicht (40) zumindest elektrisch mit der zweiten Steuereinheit (60) verbunden ist und das Gehäuse (10, 11) konfiguriert ist, um elektrisch mit der thermisch isolierenden Schicht (40) und der Anzeige (21) verbunden zu werden.
  11. Anzeigeanordnung nach Anspruch 10, wobei das elektrisch leitende Material (42) der thermisch isolierenden Schicht (40) elektrisch mit der zweiten Steuereinheit (60) verbunden ist.
  12. Anzeigeanordnung nach einem der vorhergehenden Ansprüche, wobei die thermisch isolierende Schicht (40) in Kontakt mit der Anzeigetafel (20) ist.
  13. Anzeigeanordnung nach einem der vorhergehenden Ansprüche, wobei das Gehäuse (10, 11) einen ersten Teil (10) und einen zweiten Teil (11) umfasst, wobei der zweite Teil (11) mit dem ersten Teil (10) verbunden ist und in elektrischem Kontakt steht, wobei der erste Teil (10) elektrisch mit der thermisch isolierenden Schicht (40) verbunden ist und der zweite Teil (11) elektrisch mit der zweiten Steuereinheit (60) verbunden ist.
  14. Anzeigeanordnung nach den Ansprüchen 9 und 13, wobei der erste Teil (10) des Gehäuses (10, 11) das Masseelement ist.
  15. Anzeigeanordnung nach einem der vorhergehenden Ansprüche, wobei sie einen flexiblen Verbinder (70) umfasst, der die erste Steuereinheit (22) und die zweite Steuereinheit (60) verbindet, um Daten zwischen ihnen zu übertragen, und wobei die thermisch isolierende Schicht (40) eine Öffnung umfasst, um dem flexiblen Verbinder (70) zu ermöglichen, hindurchzutreten, und wobei die thermisch isolierende Schicht (40) ferner ein wärmeisolierendes Element umfasst, das an der Öffnung angebracht ist, um einen Austausch von Wärme von dem ersten Hohlraum (100) zu dem zweiten Hohlraum (200) und/oder von dem zweiten Hohlraum zu dem ersten Hohlraum (100) durch die Öffnung zumindest teilweise zu verhindern.
EP20382662.3A 2020-07-23 2020-07-23 Anzeigeanordnung für eine bildgebungsvorrichtung Active EP3944010B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP20382662.3A EP3944010B1 (de) 2020-07-23 2020-07-23 Anzeigeanordnung für eine bildgebungsvorrichtung
JP2021120085A JP2022022160A (ja) 2020-07-23 2021-07-21 画像化デバイス用のディスプレイアセンブリ
US17/383,898 US11903153B2 (en) 2020-07-23 2021-07-23 Display assembly for an imaging device
CN202110837353.7A CN113973452A (zh) 2020-07-23 2021-07-23 用于成像装置的显示器组件

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20382662.3A EP3944010B1 (de) 2020-07-23 2020-07-23 Anzeigeanordnung für eine bildgebungsvorrichtung

Publications (2)

Publication Number Publication Date
EP3944010A1 EP3944010A1 (de) 2022-01-26
EP3944010B1 true EP3944010B1 (de) 2023-02-15

Family

ID=71995929

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20382662.3A Active EP3944010B1 (de) 2020-07-23 2020-07-23 Anzeigeanordnung für eine bildgebungsvorrichtung

Country Status (4)

Country Link
US (1) US11903153B2 (de)
EP (1) EP3944010B1 (de)
JP (1) JP2022022160A (de)
CN (1) CN113973452A (de)

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Also Published As

Publication number Publication date
US20220030726A1 (en) 2022-01-27
US11903153B2 (en) 2024-02-13
EP3944010A1 (de) 2022-01-26
JP2022022160A (ja) 2022-02-03
CN113973452A (zh) 2022-01-25

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